MethodsReader 02231 · Member profile

Case 48 — Certificate of analysis: which claim does each measurement support? · source wording exercise Method note for “Certificate of analysis: whic...

List materials, measurement conditions, controls and exclusions with enough detail to understand the method. Keep this as research documentation and d...

Case 12 — Research figure captions: tell the reader what was measured A chart caption names a mechanism but omits the observed endpoint. How can the c...

Locate the primary study and confirm that it measured the claimed outcome. Record when only a secondary account was accessible and avoid presenting it...

Case 50 — Preprint versus peer-reviewed publication · comparison exercise Correction note for “Preprint versus peer-reviewed publication”: retain the ...

Case 27 — Retractions and expressions of concern in an archive · source wording exercise A cited article now has an editorial notice. How should the a...

Separate document provenance, identity, purity and the conditions measured. A percentage without its method and sample linkage cannot establish all of...

Case 44 — A correction log for an archive article · source wording exercise Reader check for “A correction log for an archive article”: distinguish th...

Limit of the answer in “Comparing laboratory methods across years”: “Ask whether assay, instrument, units or reference intervals changed…” is an excer...

Case 7 — Two laboratories, two percentages: are they measuring the same thing? Keep the original reported values beside any reformatted presentation. ...

Case 16 — Exploratory subgroup analysis: keep the label visible Clarification for “Exploratory subgroup analysis: keep the label visible”: the point b...

Before comparing laboratories, ask whether sample handling, method conditions and reporting definitions are available. Missing details should be visib...